Johnny Mark Galecki is an American actor. He was born on April 30, 1975 in Bree, Belgium. His father was a member of the U. S. Air Force stationed there. Johnny moved to Chicago, Illinois, with his family when he was three years old.

His best known role was as David Maurice Healy (known as Kevin Healy when he is first introduced) in the U. S. sitcom Roseanne. His character was the soft-spoken boyfriend/husband of Darlene, the droll, tomboyish second daughter of the Connor family played by Sara Gilbert. He also played Rusty in the Christmas film, National Lampoon's Christmas Vacation. Galecki also had a sizeable role in the 1997 thriller, I Know What You Did Last Summer.

He now plays the half-brother of the main sisters in the TV Sitcom "Hope & Faith"

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@chuckieh It can be like a 17 cent residual check that Johnny Galecki gets every time Christmas Vacation is on TV
CMSBMatty (Matt Boutwell CMSB) Mon, 21 Dec 2009 14:30:59 -0000
@chuckieh It can be like a 17 cent residual check that Johnny Galecki gets every time Christmas Vacation is on TV
I seriously JUST realized Johnny Galecki is the kid in Christmas Vacation. I feel ultra smart.
raishawn (raishawn) Mon, 21 Dec 2009 04:28:49 -0000
I seriously JUST realized Johnny Galecki is the kid in Christmas Vacation. I feel ultra smart.
Aww, little Johnny Galecki in National Lampoon's Christmas Vacation.
kidslikethius (Jessica) Mon, 21 Dec 2009 04:23:41 -0000
Aww, little Subscribe to Galecki,_Johnny RSS feed